CN102395286B

CN102395286B - A cushioning pad

Info

Publication number: CN102395286B
Application number: CN201080016214.8A
Authority: CN
Inventors: J·伍德
Original assignee: CL-7 Ltd
Current assignee: CL-7 Ltd
Priority date: 2009-02-05
Filing date: 2010-02-05
Publication date: 2014-02-19
Anticipated expiration: 2030-02-05
Also published as: CN102395286A; GB201001943D0; US20120030850A1; WO2010089556A3; EP2393387C0; CA2751632C; GB0901923D0; GB201115308D0; EP2393387A2; NZ595004A; GB2482799A; ZA201106463B; CA2751632A1; AU2010212195A1; GB2467646A; WO2010089556A2; US9015862B2; AU2010212195B2; GB2467646B; EP2393387B1

Abstract

The present invention relates to a knee pad and a knee pad assembly. A pad for cushioning the knee when kneeling on a surface comprises structure defining longitudinal first passageways with their longitudinal axes arranged to be positioned, in use, so that they intersect with the surface being knelt on.

Description

Cushion pad

Technical field

The present invention relates to cushion pad.

Background technology

Knee-pad is for kneeling for a long time such as such necessaryization of flooring workman the people that work on floor.Knee-pad provides buffering, and helps to reduce to minimum by kneeling for a long time the injury on floor, knee being caused.Known knee-pad comprises a foamed material being attached on people's knee, and like this, when they are on bended knees time, foam is compressed, cushions thus knee.Yet As time goes on, so the elasticity of foam knee-pad is tending towards lax, becomes by permanent compression.Therefore, reduced the efficiency of knee-pad buffering wearer knee.

Summary of the invention

According to the present invention, a kind of knee-pad is provided, when kneeling on the ground, knee-pad is for cushioning knee, and this knee-pad comprises the structure that forms longitudinal first passage, and the longitudinal axis of passage is arranged to such location, in use, longitudinal axis and the ground of kneeling is intersected.

Preferably, first passage is arranged to such location, in use, is substantially perpendicular to kneeled ground.

Because structure is made with solid material rather than foam, so, by the crooked of structure rather than compression, provide buffering.Therefore, knee-pad is along with passage of time shows than the improved compression resilience of known foam knee-pad.In addition, passage allows air to circulate near knee, so this knee-pad has more respiratory function than known foam knee-pad, and this can improve user's comfortableness.

First passage is preferably arranged to orderly form.In other words, this form is not random.Preferably, first passage is arranged in rows.All first passages preferably have identical cross-sectional area.

This structure also can form the second channel that size is different from first passage.Second channel is preferably arranged to orderly form.In other words, this form is not random.Preferably, second channel is arranged in rows.Second channel is preferably arranged in the mode replacing with first passage.Preferably second channel has uniform cross-sectional area.

Preferably, the first and second passages are arranged to orderly form together.In other words, this form is not random.

Preferably, each first passage has 10mm ²and 20mm ²between cross-sectional area.

Preferably, each second channel has 120mm ²and 140mm ²between cross-sectional area.

The cross section of first passage can be any shape, but circular cross section preferably.First passage can directly connect each other, maybe can connect by rib, and the outward flange of rib and first passage forms second channel.Therefore, this structure comprises the element (wall of first passage) that tends to crooked element (rib) and tend to provide rigidity.

Preferably, the wall of rib and tube-like piece has identical thickness.

Preferably, the cross-sectional area of each first passage is less by 25% than the cross-sectional area of each second channel, preferably little by 20%, best little by 16%.

The profile of this structure can be similar to netted.Preferably, profile is substantially perpendicular to the major axis of passage, and the sealing area of structure and the ratio of the structure gross area are between 15% and 30%, preferably between 18% and 26%, best between 21% and 23%.Therefore, material only has very small size to contact with user's knee, further contributes to the respiratory function of knee-pad.

Preferably, in use, the side of knee-pad that is tending towards each side of wearer's knee is curved away from the direction on kneeled ground when using.

Preferably, knee-pad has first surface, and this first surface, for contacting with knee, is indent in profile.Therefore, the form fit of knee-pad, around knee, therefore, increases wearer's comfort level, and reduces the possibility that knee-pad slides with respect to knee, and when wearing, reduces the volume of knee-pad.In addition, arcuate flanks has allowed the larger free degree on kneeled ground.

Preferably, the thickness of knee-pad is less than 40mm.Therefore, knee-pad thickness does not need to be greater than known foam knee-pad substantially.

Knee-pad also can comprise sheet members.This sheet members is preferably connected on tube-like piece.Sheet members is preferably connected to rib.This sheet members provides additional rigidity by the bending reducing in structure to structure.

Sheet members profile can evagination, so that the arc end face of sheet members is to first surface.Therefore sheet members works to do sheet spring.Therefore sheet members provides additional elasticity to structure.

Preferably, the axis that the radial center of arc is extended before and after forming.

Or sheet members can be dome-shaped.

Preferably, sheet members carries out orientation like this: when when being parallel to the plane on kneeled ground and watching, the maximum region of sheet members is visible.

Preferably, sheet members carries out orientation like this: at least one single plane that is partly positioned at of its peripheral edge, this planar cloth is set to and is arranged essentially parallel in use kneeled ground.

Therefore, the orientation of sheet members is no matter it is the flat or uneven optimization that is, to reduce the bending in structure.

Preferably, the hole that the center of sheet members formation and first passage aligns, so that first passage is not blocked.Therefore, air still can circulate in first passage, and knee-pad keeps certain respiration capability thus.

Sheet members is preferably thin in center at edge's ratio.Preferably, 2 to 4 times of the thickness Shi Qi edge thickness of sheet members center, are preferably about three times.

Knee-pad can be made with plastic material.Sheet members preferably uses the plastic material harder than structure to make.This makes sheet members that rigidity can be provided, and allows structural bending simultaneously.This structure is preferably made with thermoplastic elastomer (TPE).Preferably, this structure by hardness the material between 20 and 60 Xiao A hardness make, more preferably hardness is about 42 Xiao A hardness.Sheet members is preferably made with thermoplastic elastomer (TPE).Preferably, sheet members by hardness the material between 50 and 90 Xiao A hardness make, more preferably hardness is about 70 Xiao A hardness.

According to a further aspect of the invention, provide a kind of knee-pad assembly, this knee-pad assembly comprises previously described protection pad and protection pad is attached to the device on people's leg.This device can comprise the fixator with belt, and belt is suitable for surrounding people's leg, and fixator is remained in the desired locations on leg.

According to a further aspect of the invention, provide according to the combination of the knee-pad of first aspect present invention.

Accompanying drawing explanation

Now, by means of example and with reference to accompanying drawing, two embodiment of the present invention are described, in accompanying drawing:

Fig. 1 is the stereogram of the knee-pad of first embodiment of the invention, and knee-pad is not with sheet members;

Fig. 2 is the end-view of Fig. 1 knee-pad;

Fig. 3 is the end-view from Fig. 1 knee-pad with holding relative one end to watch shown in Fig. 2;

Fig. 4 is the side view of knee-pad shown in Fig. 1;

Fig. 5 is the top view of knee-pad shown in Fig. 1;

Fig. 6 is the stereogram that the knee-pad of second embodiment of the invention is watched from top;

Fig. 7 is the top view of knee-pad shown in Fig. 6;

Fig. 8 is the cutaway view of knee-pad shown in Fig. 6, and the protrusion profile of sheet members is shown;

Fig. 9 illustrates the sheet members of Fig. 6 knee-pad, is not with knee protector structure;

Figure 10 illustrates the fixator of not being with belt, for holding knee-pad and knee-pad being held against to people's knee;

Figure 11 illustrates with the knee-pad in fixator shown in Figure 10 of belt;

Figure 12 illustrates fixator and the knee-pad of the Figure 11 on the knee that is placed in people; And

Figure 13 is the top view of the knee-pad of Figure 11.

Figure 14 is according to the stereogram of the seat cushion of the 3rd embodiment;

Figure 15 is the stereogram of the mat section of Figure 14; And

Figure 16 is the stereogram of sheet members that the seat cushion of Figure 14 is only shown.

The specific embodiment

Knee-pad 10 referring to figs. 1 through 5, the first embodiment comprises the structure 12 made from the thermoplastic elastomer (TPE) that hardness is the injection molding of 42 Shore A, and this structure 12 comprises a series of round tubular 14, and it is parallel to each other that they are arranged to its longitudinal axis.Tube-like piece 14 is arranged to orderly form in rows.Tube-like piece 14 forms first passage 16, and these passage 16 cross sections are circular.The interior diameter of each circular cross-section is 5mm.Each tube-like piece 14 is connected to other tube-like piece 14 by rib 18,19.Each tube-like piece 14 (except the tube-like piece of knee-pad edge) has conventionally from its extended four ribs 18.It is thick that the wall of all ribs 18 and tube-like piece 14 is 2mm.18 one-tenth diagonal series of all ribs are traversed knee-pad and are advanced.Together with the outward flange of all ribs 18 and tube-like piece 14, form second channel 20.Second channel 20 assumes diamond in shape conventionally, and its four angles are by tube-like piece 14 butts.Second channel is arranged to orderly form in rows, and the form that strikes a bargain and to replace with first passage.When watching from top, as shown in Figure 5, this structure comprises open region (passage 16,20) and closed area (manage 14 and rib 18).The ratio that sealing area accounts for the gross area is approximately 22%.

The length of the spacing between tube-like piece 14 and rib 18 is uniform at the most of knee-pad across between side 24.Each rib 18 is 10mm length.Long more than any other rib along the external fin 19 of side 24, as shown in Figure 5, therefore, form third channel 25, their shape is similar to second channel, but cross-sectional area is larger.

Knee-pad 10 has the upper surface 22 contacting with user's knee.Upper surface 22 profiles are recessed into.Basal surface 26 is surfaces of the knee-pad on close kneeled ground while using, and this basal surface 26 has flat profile 28 in center, but at side 24 places of knee-pad 10 towards upper surface 22 camber upwards.Therefore, knee-pad at center 28 places thinner than side edge.Knee-pad is inessential for weight bearing with the part of third channel, but is important for coordinating.Therefore, the rigidity of structure in these regions is inessential.

Knee-pad 10 is intended to for special orientation, and edge 30 is towards thigh, and edge 32 is towards shank.Edge 32 has the tapering part 34 of center curvature, thereby the core at edge 32 is until half height of knee-pad 10 thickness.This part 34 is by providing the profile of mitigation to abut against it to wearer's knee bottom/wearer's shin bone, to improve wearer's comfortableness.

As shown in Figure 5, two additional

serial ribs

36,38 respectively near and the

edge

30,32 that is parallel to knee-pad advance.The whole width that rib 36 series are traversed knee-pad extends, and rib 38 series just stop less than the side 24 of knee-pad 10, and only the width of part 34 is extended.

Fig. 6 to 9 illustrates the knee-pad according to second embodiment of the invention.This second embodiment is similar to the first embodiment, so, like with identical Reference numeral but prefixing " 1 " represent, and difference part will only be described.

Knee-pad 110 comprises sheet members 150, and sheet members is made with the thermoplastic elastomer (TPE) that hardness is 70 Shore A in this embodiment.Structure 112 and sheet members 150 injection moldings form.While watching from top in Fig. 8, the area of sheet members 150 is about 35% of whole knee-pad area.As shown in Figure 8, in sheet members 150, heart is arranged in knee-pad 110.As shown in Figures 9 and 10, sheet members 150 profiles are protruded, and the arc end face of sheet members 150 is to upper surface 122.The axis extending before and after the radial center of arc forms, and only extend on the knee-pad core of maximum load.The peripheral edge of sheet members comprises two lateral edges 152 and two end margins 154.Lateral edges 152 is parallel to the side 124 of knee-pad 110, and end margin 154 is parallel to the end 130,132 of knee-pad 110.End margin 154 is protrusion, and lateral edges 152 is arranged in use be parallel to kneeled ground.Sheet members is 1mm at edge's thickness.Sheet members therein heart place thickness is 3mm.

In use, by stoping rib 118 and tube-like piece 114 flexings, sheet members 150 provides extra rigidity by

connection rib

118 and 114 pairs of structures of tube-like piece, and the concave shape of sheet members 150 makes it play the effect of sheet spring, therefore in structure 112, provides further elasticity and suspends.As shown in figure 10, sheet members 150 forms 156， hole, hole 156 and is arranged to orderly form, to align with the passage 116 in tube-like piece 114.Therefore, air still can be recycled to the outside of knee-pad 10 from knee, keep thus the respiration capability of knee-pad 10.

In use, as shown in Figure 11 to 13, knee-pad is placed in fixator 40.Knee-pad 210 shown in fixator in Figure 12 and 13, although it has sheet members, some is different for the knee-pad of knee-pad 210 and the second embodiment 110.These differences can be seen in Figure 12,13 and 14.To represent with identical Reference numeral with the similar parts of knee-pad 110 of the second embodiment, but with prefix " 2 " replacement " 1 ".To be discussed below with knee-pad 110 differences of the second embodiment.Fixator 40 comprises bottom 42 and three

sides

44,46,48.The 4th edge 50 of bottom 42 opens wide.Knee-pad 210 is placed to lower surface 26 is contacted with the bottom 42 of fixator 40.The bottom 42 of fixator 40 is shaped to be similar to the mode of the lower surface 26 of knee-pad 10, like this, between knee-pad 210 and fixator 40, has large contact area.Fixator 40 also comprises

belt

52,54, and in use belt can be used to around people's leg, fixator is held in place.Unlimited edge 50 is arranged in use make the edge surface of fixator to wearer's shank, and like this, the edge that does not exist wearer's leg to press, therefore, has improved comfort level.

The outer surface of knee-pad 210 bottoms has tapering part 234, but is not as the second embodiment, to be positioned at 232 places, edge.On the contrary, tapering part 234 keeps to the side 230, and tapering part upwards attenuates with the thicker part 260 of 230 formation along edge from upper surface 222.In use, wearer's knee top should contact compared with thickness portion 260 with knee-pad 210, rather than contacted with the edge 46 of fixator 40, therefore, had improved comfort level, in use stoped above knee-pad edge and moved.Knee-pad 210 has two additional serial ribs 236,238.Series is 236 than more keeping to the side 230 in aforementioned knee-pad 10,110, and series 238 is actually along edge 232.When wearer kneels on knee-pad 210, series 236,238, near edge 230,232, has increased the stability of knee-pad 210.When watching from top as illustrated in fig. 13, sheet members 250 has 60% the area that is about whole knee-pad 210 areas, and therefore, it is larger than the sheet members of the knee-pad of the second embodiment 110 150 areas.

Although described the knee-pad 10 with fixator 40, naturally it should be apparent that, the mode that knee-pad 10 locates to cushion knee can change.For example, in a pair of trousers knee pipe, can form pocket, knee-pad is inserted in pocket.

Figure 14 to 16 illustrates the knee-pad according to third embodiment of the invention.The 3rd embodiment is similar to the first and second embodiment, so, like with identical Reference numeral but prefixing " 3 " represent, and difference will only be described.

Protection pad 310 in this embodiment is obviously greater than the protection pad of previous embodiment, has the suitable dimension for chair cushion.Protection pad 310 has four edges, that is, and and leading edge 360 (it is in use used as the overlapping edge of leg), back edge 362 and left hand edge 364 and right hand edge 366 from watching above.

For substituting the single sheet members in the second embodiment, liner comprises three sheet members 368,370,372.Sheet members 368,370,372 is elongated shape, and longilineal direction is identical with the direction of sheet members 368,370,372 front and back axis.Sheet members 368,370,372 spaced a little and alignment so that their front and back axis is parallel to each other, be also parallel to the leading edge 360 of seat cushion 310.

In relating to above-described embodiment of seat cushion, protection pad has the structure of continuous molding, but protection pad also can be formed by the molded part of a plurality of independence.

Technical staff should be realized that, in protection pad, sheet members quantity and their positioned opposite can change, particularly, and in any structural configuration of comfortableness is provided to user.

For example, in seat cushion, can arrange greater or less than three sheet members, between sheet members, can there is no spacing, or have large spacing.In addition, each sheet members can be substituted by a plurality of shorter sheet members.Sheet members also can be differently directed.For example, sheet members can be substantially perpendicular to before liner and arrange.Sheet members can be positioned to corresponding to the pressure spot that may form in using, or can locate randomly all in protection pad, providing certain other cushioning effect of level.In addition, can use difform sheet members, for example, dome-shaped sheet members.

In all embodiments, tube-like piece (except the tube-like piece of protection pad edge) is shown as by rib and is connected to four other tube-like pieces, so four ribs extend from each tube-like piece.Yet the rib of varying number can extend from each tube-like piece, for example, eight ribs.

Although in the first and second embodiment, provide respectively the

rib

36,38 and 236,238 of extra series.Yet they are dispensable, do not have these additional ribs can form protection pad yet.

Tube-like piece in above-mentioned protecting pad structure is all circular cross-section, but certainly element cross section can be also any shape, for example, and oval, square, triangle, hexagon.In addition, certainly in structure, also can only have the passage of a type, for example, only have square or hexagonal channels.In this case, will not need rib.

The surface that in described liner, all channel arrangement become perpendicular to user, it to be exerted pressure, as shown in FIG..Yet passage can be arranged to become different angles with respect to the surface of exerting pressure.

It is arc that the profile of the sheet members in the second and the 3rd embodiment does not need, but can be flat.Or, can be also dome-shaped.

Sheet members in the first and second embodiment has respectively 35% and 48% area of the protection pad gross area.Yet sheet members can have 100% the area up to liner area, but conventionally its area by liner area 25% and 75% between.

In the 3rd embodiment, seat cushion is for chair, but technical staff is clear, and so structure can easily change over the seat of any size, for example, and the seat of visible bench type in common carriage.

For comfortable, the seat cushion surface of sitting can moldedly form.For example, leading edge can be tapered so that it be not dug into user's knee after, or side can have the tapered part that more makes progress, to guarantee that user correctly locates on the seat.

Seat cushion can comprise timber supporting.

Be applicable to the liner of seat cushion applicable to whole chair, for example, seat part, back part and even something or somebody to fall back on part.

Technical staff should be realized that, protection pad as above does not have skill of the present invention can carry out transformation yet, for cushioning any part of health, for example, ancon, back, head, and even can be used as floor fabric.If be provided with sheet members, sheet members can preferably be gone up with respect to the pressure spot setting in using in place.

Certainly, protection pad can comprise cover, the cover that for example fabric is done, and like this, the structure on liner just can be blocked and cannot see.

Claims

1. a knee-pad, comprise the structure that forms longitudinal first passage, each vertical passage limits longitudinal axis, it is characterized in that, this structure intersects the bearing-surface of passage and longitudinal axis and described knee-pad, the bearing-surface of described knee-pad is arranged to the load that supporting applies, described knee-pad also comprises sheet members, sheet members is positioned in described structure, described structure is continuously shaped, and sheet members shape evagination makes the arc end face of sheet members to bearing-surface, sheet members is made with thermoplastic elastomer (TPE), so that sheet members is used as sheet spring.

2. knee-pad as claimed in claim 1, is characterized in that, first passage is arranged to such location, in use, is substantially perpendicular to described bearing-surface.

3. knee-pad as claimed in claim 1 or 2, is characterized in that, first passage is arranged to orderly form.

4. knee-pad as claimed in claim 1 or 2, is characterized in that, first passage is arranged in rows.

5. knee-pad as claimed in claim 1 or 2, is characterized in that, all first passages have identical cross-sectional area.

6. knee-pad as claimed in claim 1 or 2, is characterized in that, first passage is connected to each other directly.

7. knee-pad as claimed in claim 1 or 2, is characterized in that, first passage is circular cross-section.

8. knee-pad as claimed in claim 1 or 2, is characterized in that, each first passage has 10mm ²and 20mm ²between cross-sectional area.

9. knee-pad as claimed in claim 1 or 2, is characterized in that, each first passage is limited by tube-like piece.

10. knee-pad as claimed in claim 9, is characterized in that, sheet members is connected to tube-like piece.

11. knee-pads as claimed in claim 1 or 2, is characterized in that, this structure also forms the second channel that size is different from first passage.

12. knee-pads as claimed in claim 11, is characterized in that, second channel is arranged to orderly form.

13. knee-pads as described in claim 11 or 12, is characterized in that, second channel is arranged in rows.

14. knee-pads as described in claim 11 or 12, is characterized in that, second channel is arranged in the mode replacing with first passage.

15. knee-pads as described in claim 11 or 12, is characterized in that, the first and second passages are arranged to orderly form together.

16. knee-pads as described in claim 11 or 12, is characterized in that, the cross-sectional area of first passage is less than the cross-sectional area of second channel.

17. knee-pads as described in claim 11 or 12, is characterized in that, each second channel has 120mm ²and 140mm ²between cross-sectional area.

18. knee-pads as claimed in claim 11, is characterized in that, first passage connects by rib, and the outward flange of rib and first passage forms second channel.

19. knee-pads as claimed in claim 18, is characterized in that, each first passage is limited by tube-like piece, and the wall of rib and tube-like piece has identical thickness.

20. knee-pads as described in claim 18 or 19, is characterized in that, sheet members is connected to rib.

21. knee-pads as described in claim 11 or 12, is characterized in that, the cross-sectional area of each first passage is less by 25% than the cross-sectional area of each second channel.

22. knee-pads as claimed in claim 21, is characterized in that, the cross-sectional area of each first passage is less by 20% than the cross-sectional area of each second channel.

23. knee-pads as claimed in claim 22, is characterized in that, the cross-sectional area of each first passage is less by 16% than the cross-sectional area of each second channel.

24. knee-pads as claimed in claim 1 or 2, is characterized in that, the profile of this structure is netted.

25. knee-pads as claimed in claim 1 or 2, is characterized in that, profile is substantially perpendicular to the major axis of passage, and the ratio of the sealing area of structure and the gross area of structure is between 15% and 30%.

26. knee-pads as claimed in claim 25, is characterized in that, profile is substantially perpendicular to the major axis of passage, and the ratio of the sealing area of structure and the gross area of structure is between 18% and 26%.

27. knee-pads as claimed in claim 26, is characterized in that, profile is substantially perpendicular to the major axis of passage, and the ratio of the sealing area of structure and the gross area of structure is between 21% and 23%.

28. knee-pads as claimed in claim 1 or 2, is characterized in that, the radial center of the arc of sheet members forms axis.

29. knee-pads as claimed in claim 1 or 2, is characterized in that, sheet members carries out orientation like this: at least one single plane that is partly positioned at of its peripheral edge, this planar cloth is set to and is arranged essentially parallel in use bearing-surface.

30. knee-pads as claimed in claim 1 or 2, is characterized in that, sheet members carries out orientation like this: when when being parallel to the plane of bearing-surface and watching, the maximum region of sheet members is visible.

31. knee-pads as claimed in claim 1 or 2, is characterized in that, the hole that the center of sheet members formation and first passage aligns, so that first passage is not blocked.

32. knee-pads as claimed in claim 1 or 2, is characterized in that, sheet members uses the plastic material harder than structure to make.

33. knee-pads as claimed in claim 1 or 2, is characterized in that, structure is made with thermoplastic elastomer (TPE).

34. knee-pads as claimed in claim 1 or 2, is characterized in that, structure by hardness the material between 20 and 60 Xiao A hardness make.

35. knee-pads as claimed in claim 34, is characterized in that, structure hardness is that 42 Xiao A hardness materials are made.

36. knee-pads as claimed in claim 1 or 2, is characterized in that, sheet members by hardness the material between 60 and 100 Xiao A hardness make.

37. knee-pads as claimed in claim 36, is characterized in that, sheet members is made with the material that hardness is 70 Xiao A hardness.

38. knee-pads as claimed in claim 1 or 2, is characterized in that, sheet members is evagination around axis, and sheet members elongates along axis direction.

39. knee-pads as claimed in claim 1 or 2, is characterized in that, the bearing-surface of knee-pad is used for contacting user, and shape indent.

40. knee-pads as claimed in claim 1 or 2, is characterized in that, knee-pad is rectangle, and the length that sheet members elongates direction along it is at least the twice of its width.

41. knee-pads as claimed in claim 40, is characterized in that, the length that sheet members elongates direction along it is at least three times of its width.

42. knee-pads as claimed in claim 1, is characterized in that, knee-pad comprises an above sheet members.

43. knee-pads as claimed in claim 42, is characterized in that, if sheet members is elongated shape, they are arranged to its elongated dimension substantially parallel.

44. knee-pads as described in claim 42 or 43, is characterized in that, sheet members is arranged in continuous structure moulding.

45. knee-pads as claimed in claim 1 or 2, is characterized in that, knee-pad is seat cushion.

46. knee-pads as claimed in claim 45, is characterized in that, knee-pad comprises leading edge, and in use user's leg will cover leading edge, and sheet members is arranged to make its elongated dimension to be arranged essentially parallel to leading edge layout.

47. knee-pads as claimed in claim 46, is characterized in that, knee-pad comprises two sheet members, and they are arranged to its elongated dimension and are arranged essentially parallel to leading edge layout.

48. knee-pads as claimed in claim 47, is characterized in that, knee-pad comprises three sheet members, and they are arranged to its elongated dimension and are arranged essentially parallel to leading edge layout.

49. knee-pads as claimed in claim 1, is characterized in that, described knee-pad is for knee.

50. knee-pads as claimed in claim 49, is characterized in that, in use, the side of knee-pad that is tending towards each side of wearer's knee is curved away from the direction on kneeled ground when using.

51. 1 kinds of knee-pad assemblies, is characterized in that, comprise as the knee-pad as described in any one in claim 1 to 43,49 and 50 and by as described in knee-pad be attached to the device on people's leg.

52. knee-pad assemblies as claimed in claim 51, is characterized in that, this device comprises the fixator with belt, and belt is suitable for surrounding people's leg, and fixator is remained in the desired locations on leg.

53. 1 kinds of combinations, is characterized in that, comprise seat and as the knee-pad as described in any one in claim 45 to 48.